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Finding the Fourth Proportional to 19,282.92, 28,913.99 and 10,403.01

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Solution

The fourth proportional to 19,282.92, 28,913.99 and 10,403.01 is: 15,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.92 : 28,913.99 = 10,403.01 : x
  2. Step 2: Convert to fraction form
    19,282.92/28,913.99 = 10,403.01/x
  3. Step 3: Cross multiply
    19,282.92x = 28,913.99 × 10,403.01
  4. Step 4: Simplify right side
    19,282.92x = 300,792,475.09
  5. Step 5: Solve for x
    x = 300,792,475.09/19,282.92
  6. Step 6: Final answer
    x = 15,598.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.